Question: Formicidae has a Dewey Decimal Classification of 595.796, when was that established?
Paraphrase: What is the date that Formicidae was established in the Dewey Decimal system?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q7386 p:P1036 ?s . ?s ps:P1036 ?x filter(contains(?x , '595.796')) . ?s pq:P747 ?value}